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Finding the Fourth Proportional to 301,618.40, 452,492.40 and 91,277.60

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Solution

The fourth proportional to 301,618.40, 452,492.40 and 91,277.60 is: 136,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,618.40 : 452,492.40 = 91,277.60 : x
  2. Step 2: Convert to fraction form
    301,618.40/452,492.40 = 91,277.60/x
  3. Step 3: Cross multiply
    301,618.40x = 452,492.40 × 91,277.60
  4. Step 4: Simplify right side
    301,618.40x = 41,302,420,290.24
  5. Step 5: Solve for x
    x = 41,302,420,290.24/301,618.40
  6. Step 6: Final answer
    x = 136,936.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.